中文说明： 包括广义互相关函数GCC时延估计，各种kalman滤波器的设计，采用加权网络中节点强度和权重都是幂率分布的模型，用平面波展开法计算二维声子晶体带隙,预报误差法参数辨识-松弛的思想，包括调制，解调，信噪比计算。
English Description：
It includes the generalized cross-correlation function, GCC time delay estimation, the design of various Kalman filters, the use of weighted network node strength and weight are power-law distribution model, using the plane wave expansion method to calculate the two-dimensional photonic crystal band gap, prediction error method, parameter identification relaxation idea, including modulation, demodulation, signal-to-noise ratio calculation.